放熱化合物 的英文怎麼說
中文拼音 [fàngrèhuàgěwù]
放熱化合物
英文
exothermic compounds-
Before 900 c, ti reacts with al to form tial intermetallics ; above 900 c, c reacts with remain ti to form tic triggered by the exothermal reaction of ti and al ; tial reacts with tic to produce dense tial / ti2alc composites
間的放熱反應引發c和未反應完全的ti反應生成tic ; tiai金屬間化合物和tic反應併合成緻密tiai / tizaic復合材料。通過保溫階段, tizaic長成層狀多品結構,同時復合材料緻密化。It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed
本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標,先從理論上分析了乳化油節能和降低排放的機理,然後利用表面化學的知識篩選出適當的表面活性劑,復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油,對乳化油的物性(粘度、熱值等)及影響乳化油穩定性的因素進行了分析。Specification for insulating and sheathing materials for cables - thermoplastic sheathing compounds having low emission of corrosive gases, and suitable for use in cables having low emission of smoke when affected by fire - general application thermoplastic types
電纜絕緣和鎧裝材料規范.具有低排放腐蝕性氣體的和適用於著火時具有低排放煙霧的電纜熱塑鎧裝化合物.通用熱塑型Coal - char pyrolysis, firing, burnt and limestone calcination under o _ ( 2 ) / n _ ( 2 ) oro _ ( 2 ) / co _ ( 2 ) atmosphere were carried on a thermobalance. limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were tested on a bench scale fluidized bed facility. the characteristics of coal combustion and pollutant emission under o _ ( 2 ) / n _ ( 2 ) or o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a circulating fluidized bed multi - function test - facility
在熱天平上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤焦熱解、著火與燃燼反應動力學及石灰石煅燒分解特性研究;在小型流化床試驗臺上進行石灰石在o _ 2 / co _ 2氣氛下的煅燒與硫化反應特性研究;在設計、搭建的循環流化床多功能綜合試驗臺上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤燃燒特性與污染物排放規律研究。The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti
加入適量的mg ( 2wt )可以抑制tic al復合材料中的脆性相al _ 3ti的產生,生成僅含tic的鋁基復合材料;由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱,在熔體中形成微高溫區,促進al - ti反應,同時, al - ti反應也是放熱反應,因此體系中的內能急劇增大,促使al _ 3ti分解以及ti朝c顆粒擴散,縮短反應的孕育時間。Based on above, the characteristics of hydration hardening process and microstructure of hsc as well as the interfacial layer between cement paste and coarse aggregate are investigated under low water cement ratio, high content superplasticiser and with one kind or more than one kind of mineral materials condition, the reaction mechanisms of different mineral materials are also discussed
研究了不同水膠比、復合緩凝成分高效減水劑及礦物摻合料的摻加方式、摻量對高強混凝土水泥漿體水化放熱過程和水泥漿體的水化熱、水化放熱速率以及最高溫升的影響規律。探明了高強混凝土中水泥漿體的水化硬化過程、礦物摻合料之間的相互作用機理。The research field of this thesis belongs to heat treatment in metal materials. ionic nitriding is a universal applied technique, which involves lots of marginal subjects such as discharge physics, vacuum, chemistry, electronics and materials science
該課題屬于金屬材料熱處理領域,離子氮化是一門綜合性的應用技術,涉及到了放電物理、真空、化學、電子學、材料科學等多門邊緣學科。Abstract : during the reduction of iron ore - coal pellet in air, the combustible gas generated from the reduction in pellet is burnt onto the firing surface around the pellet. between the pellet surface and the firing surface, ther e is such mixing gas containing the combudstible gas and burnt gas. it m ay b e sure that the iron ore - coal pellet is no oxidized in the week oxidizing atmos phere. the heat released by combusition on the firing surface is fast tranfered i nto the pellet, and the self - heating reduction of iron ore - coal pellet may occu r
文摘:鐵礦-煤球團在空氣中能夠還原的原因是:從球團排出的可燃性氣體在球面附近的火焰面上燃燒,在火焰面內側是氧化性較弱的可燃性氣體和燃燒產物的混合物,鐵礦-煤球團在弱氧化性氣氛中具有抗氧化性;在火焰面燃燒放出的熱量向球團傳遞,進行自熱還原Microcalorinetric study on b. thuringiensis by using an lkb - 2277 bioacitivity monitor, the thermogenic curves of different b thuringiensis strains ybt - 833 and ybt - 833 - 2 - i, have been determined. the metabolism heat output revealed the heat output was correlated to the yield of the protein, the higher yield protein, the less heat output. a microcalorimetric technique based on the bacterial heat - output was explored to evaluate the effect of various promoters and different plasmid original replicons on the expression of gfp
不同蘇雲金芽胞桿菌基因工程菌的微量熱變化利用生物活性檢測器lkb - 2277研究殺蟲晶體蛋白含量不同的兩株菌ybt - 833 、 ybt - 833 - 2 - 1的熱動力學變化,發現菌體合成殺蟲晶體蛋白的過程是一個耗能的過程,殺蟲晶體蛋白產量高的菌株向外釋放的代謝熱少,反之亦然。The structural stability of delithiated cathode materials is also increased after co doping. therefore, co - doped materials show improved cycling performance and thermal stability. lini0. 8co0. 2o2 compound is thought the most promising candidate of cathode material for lithium ion batteries, although its thermal stability and cycling performance still need to further improve
綜合考慮容量和成本因素, lini _ ( 0 . 8 ) co _ ( 0 . 2 ) o _ 2摘要lini08co02oz電極材料是最具有實用化前景的鏗鎳鉆氧化物電極材料,但其熱穩定性和充放電循環穩定性仍然需要進一步改善和提高。Due to their high oxidation, multiple electron transfer, and high intrinsic energy, we refer to the cells containing fe ( vi ) compounds as " super - iron " batteries with more energy capacity compared to conventional alkaline batteries. the three charge reduction of fe ( vi ) represents a high energy and capacity source of cathodes, and the products ( ferric oxide ) have been considered as an environmentally benign substance
如果fe ( )化合物作為電池的陰極材料時,其氧化反應為3電子過程,且反應產物為fe _ 2o _ 3 (鐵銹) ,與一般傳統堿性電池相比,它是一種高能,而且放電產物對環境無污染的綠色電池,目前,它的研究已成為電池研究領域的一個熱點。( 1 ) carbon aerogel and xerogel were made from resorcinol - formaldehyde organic gels and used as the anode materials for lithium ion batteries. by discussing the influences of pyrolysis temperature, the level of the catalyst and the concentration of reactant in the preparation of carbon materials on their behavior of lithium ion storage, their performance of storing lithium ions and process of charge and discharge were studied in details. moreover, the relationship between the structure of carbon aerogel and xerogel and the performance of storing lithium ions was analysed, and the mechanism of the storage of lithium ions in this type of porous carbon materials based on organic gels was also dicussed simply
( 1 )從合成間苯二酚-甲醛有機凝膠出發,制備了碳干凝膠和氣凝膠,研究了其作為鋰離子電池碳陽極材料的儲鋰性能,探討了碳材料制備過程中的熱分解溫度、催化劑用量、反應物含量等條件對碳干凝膠和氣凝膠儲鋰行為的影響,並分析了碳材料結構與儲鋰性能的關系以及充放電過程,也簡單探討了鋰離子在這類基於有機凝膠的多孔碳材料中的存儲機制。分享友人